Technician A says that carbon inside the engine can cause excessive NOx to form. Technician B says that excessive NOx could be caused by a cooling system fault causing the engine to operate too hot. Which technician is correct?
A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B
C
You might also like to view...
Why must urea be mixed completely in the ration in order for cows to eat it?
What will be an ideal response?
The AHRI definition of standard air is:
A) .075 lb/ft2 @ 80°F. B) 0.75 lb/ft3 @ 75°F. C) .075 lb/ft3 @ 70°F. D) .075 ft3/lb. @ 95°F.
In the event of a fire, fire dampers prevent oxygen from feeding the fire by:
A) Removing all oxygen from the space. B) Spraying suppressant foam. C) Closing off the outside air supply completely. D) Limiting the amount of outside air to 10 percent.
Technician A says that dirt contamination occurs from not properly cleaning the vehicle before it is painted. Technician B says that dirt contamination can sometimes be mistaken for solvent popping, but on close examination dirt is found to be more random in its distribution than in solvent popping. Who is correct?
A. Technician A only B. Technician B only C. Both Technicians A and B D. Neither Technician A nor B